Analysis

  • max time kernel
    93s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 00:17

General

  • Target

    file.exe

  • Size

    1.8MB

  • MD5

    33ce040234457605280e28c3bda4ae36

  • SHA1

    5f3a7512ea1a032aabd60a2fd364d073ee2fc8f9

  • SHA256

    8e5a7beeec8489d20ca75c332acf7eb1460dca63256842479c3d5b1ca3f48d53

  • SHA512

    997e26d1137bc0e6594ce3d3bdc33013e3c684cd244294bb3c6da0c81696da55a6865830092193c8e233990712bde31e7ea3b198f94f0e55d7008aea10016e16

  • SSDEEP

    49152:Y1y20JZiLlkEkOXHKWI+w8EO/mdobM/JImNaWO/3vul8j:cy3/Clk8HKWIj8EmlCIWS3i

Malware Config

Extracted

Family

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:4672

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4672-0-0x0000000000830000-0x0000000000EDB000-memory.dmp

    Filesize

    6.7MB

  • memory/4672-1-0x00000000779B4000-0x00000000779B6000-memory.dmp

    Filesize

    8KB

  • memory/4672-2-0x0000000000831000-0x0000000000848000-memory.dmp

    Filesize

    92KB

  • memory/4672-3-0x0000000000830000-0x0000000000EDB000-memory.dmp

    Filesize

    6.7MB

  • memory/4672-5-0x0000000000830000-0x0000000000EDB000-memory.dmp

    Filesize

    6.7MB